Chemical Engineering Basics Materials having __________ lattice structure are usually the most ductile. Face centred cubic (fcc) Hexagonal close packed (hcp) None of these Body centred cubic (bcc) Face centred cubic (fcc) Hexagonal close packed (hcp) None of these Body centred cubic (bcc) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The best criterion for analysing an economic investment is the Rate of return criterion Salvage value Future value method Present value method Rate of return criterion Salvage value Future value method Present value method ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics __________ iron is produced by the annealing of white cast iron. Grey Nodular Malleable Ductile Grey Nodular Malleable Ductile ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics What is the value of included angle of a triangular notch for maximum discharge ? 60° 120° 30° 90° 60° 120° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Oxygen cylinders used for autogenous (cutting/welding) purposes are Welded steel cylinders Seamless & made of steel Heat treated before use Made by sand casting Welded steel cylinders Seamless & made of steel Heat treated before use Made by sand casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Maraging steels derive their strength from the following mechanism: A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc A fine, highly dislocated and strong martensite Fine dispersions of alloy carbides in a ferrite matrix Fine dispersions of Fe₃ C nucleated on dislocations in austenite Fine dispersions of intermetallics of Fe, Ni, Ti etc ANSWER DOWNLOAD EXAMIANS APP
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